HITACHI CONSTRUCTION MACHINERY

Compact Body with Short Rear End ( EX17u / 20u-3 )
The body rear end, while swing, always stays within undercarriage width. High job efficiency is ensured even in confined quarters.

Rear-end Swing radius

• EX17u: 675mm

• EX20u-3: 725mm

Hydraulic Pilot Control Levers ( EX17u / 20u-3 )
All control levers including those for travel, blade and boom swing have been improved to hydraulic pilot-controlled ones. The new control levers feature reduced lever control force, leadiing smoother controls and less operator's fatigue.

Low-Noise Operation
A low-noise muffler and other such steps have been taken to reduce the amount of noise from the engine compartment.

Smooth, Speedy Combined Operations ( EX17u / 20u-3 )
The proven 3-pump system and arm regenerative circuit have been improved to make combined operations and fine control easier and smoother.

HN Bushing
HN bushings are used at all pin joints of front-end attachment and blade to reduce jerking. Lubrication intervals are elongated up to 500 operating hours.

Wide - Opening Cover for Easy Maintenance
The machine cover can be opened wide and closed at one-touch operation for easy inspection and maintenance.

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